Copy and Edit

Practice Set (3) - Image Weighting and Contrast

Description

Diploma Magnetic Resonance Quiz on Practice Set (3) - Image Weighting and Contrast, created by Thea Ampofo on 24/01/2016.
Thea Ampofo
Quiz by Thea Ampofo, updated more than 1 year ago
Thea Ampofo
Created by Thea Ampofo almost 9 years ago
470
0
0

Resource summary

Question 1

Question
MRI images that are based on the differences in longitudinal relaxation characteristics of tissues are known as
Answer
  • Tl weighted images
  • T2 weighted images
  • Proton density weighted images
  • Transitional images

Question 2

Question
MRI images that are based on the differences in the amount of hydrogen nuclei in tissues are known as
Answer
  • TI weighted images
  • T2 weighted images
  • Proton density weighted images
  • Transitional images

Question 3

Question
MRl images that are based on the differences in the transverse relaxation characteristics of tissues are known as
Answer
  • TI weighted images
  • T2 weighted images
  • Proton density weighted images
  • Spin density weighted images

Question 4

Question
The image parameter that primarily affects TI weighting is
Answer
  • Echo time
  • Inversion time
  • Repetition time
  • None of the above

Question 5

Question
The image parameter that primarily affects T2 weighting is
Answer
  • Echo time
  • Inversion time
  • Repetition time
  • None of the above

Question 6

Question
In a TI weighted image, a short TR is used to
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 7

Question
In a T2 weighted image, a long TR is used to
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 8

Question
In a T2 weighted image, a long TE is used to
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 9

Question
In a T1 weighted image, a short TE is used
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 10

Question
In a T1 weighted image, tissues with short T1 relaxation times produce what type of signal
Answer
  • High
  • Low
  • Intermediate
  • None of the above

Question 11

Question
In a Tl weighted image, tissues with long Tl relaxation times produce what type of signal?
Answer
  • High
  • Low
  • Intermediate
  • None of the above

Question 12

Question
In a T2 weighted image, tissues with short T2 relaxation times appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 13

Question
In a T2 weighted image, tissues with long T2 relaxation times appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 14

Question
In a proton density weighted image, tissues with a high number of hydrogen nuclei appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 15

Question
In a proton density weighted image, tissues with a low number of hydrogen nuclei appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 16

Question
In biological tissue, which type of relaxation occurs the quickest?
Answer
  • T2 relaxation
  • T2* relaxation
  • Tl relaxation
  • None of the above

Question 17

Question
Longitudinal relaxation occurs more efficiently in which type of tissue?
Answer
  • Water
  • Fat
  • Muscle
  • Cortical bone

Question 18

Question
In a Tl weighted image, fat has a _____ Tl relaxation time and therefore appears _____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 19

Question
In a Tl weighted image, CSF has a ____ Tl relaxation time and therefore appears _____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 20

Question
In a T2 weighted image, fat has a ____ T2 relaxation time and therefore appears _____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 21

Question
In a T2 weighted image, CSF has a ____ T2 relaxation time and therefore appears ____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 22

Question
A spin echo image with a long TR and a short TE is known as what type of image?
Answer
  • T1 weighted image
  • Proton density weighted image
  • Spin density weighted image
  • Proton density weighted image & Spin density weighted image

Question 23

Question
A spin echo image with a long TR and a long TE is known as what type of unage?
Answer
  • T1 weighted image
  • Proton density weighted image
  • T2 weighted image
  • Spin density weighted image

Question 24

Question
A spin echo image with a short TR and a short TE is known as what type of iInage?
Answer
  • Tl weighted image
  • T2 weighted image
  • Proton density weighted image
  • None of the above

Question 25

Question
Another name for a proton density weighted image is
Answer
  • Spin density
  • Intermediate
  • Inversion recovery
  • Spin density & Intermediate

Question 26

Question
On a TI weighted image of the brain, fat appears ____ to white matter.
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 27

Question
On a TI weighted image of the brain, white matter appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 28

Question
On a TI weighted image of the brain, grey matter appears to CSF
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 29

Question
On a TI weighted image of the brain, CSF appears _____ to fat
Answer
  • Hyperintense
  • Hypointense
  • lsointense

Question 30

Question
On a proton density weighted image of the brain, white matter appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 31

Question
On a proton density weighted image of the brain, CSF appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 32

Question
On a T2 weighted image of the brain, CSF appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 33

Question
On a T2 weighted image of the brain, grey matter appears ____ to white matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 34

Question
On a TI weighted image of the knee, cortical bone appears ____ to all other tissues
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 35

Question
On a TI weighted image of the knee, bone marrow appears ____ to meniscal tissues.
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 36

Question
On a Tl weighted image of the spine, the intervertebral disk appears ____ to spinal cord.
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 37

Question
On a T2 weighted image of the spine, the intervertebral disk appears ____ to the spinal cord
Answer
  • Hyperintense
  • Hypointense
  • lsointense

Question 38

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time of fat is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 39

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time of fat is
Answer
  • 40 ms
  • 50 ms
  • 80 ms
  • 90 ms

Question 40

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time of liver tissue is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 41

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time of liver tissue is
Answer
  • 40 ms
  • 50 ms
  • 60 ms
  • 70 ms

Question 42

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for spleen tissue is
Answer
  • 360 ms
  • 380 ms
  • 400 ms
  • 480 ms

Question 43

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for spleen tissue is
Answer
  • 60 ms
  • 80 ms
  • 90 ms
  • 100 ms

Question 44

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for grey matter is
Answer
  • 390 ms
  • 450 ms
  • 520 ms
  • 620 ms

Question 45

Question
At a field strength of l.0 tesla, the approximate T2 relaxation time for grey matter is
Answer
  • 70 ms
  • 80 ms
  • 90 ms
  • 100 ms

Question 46

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for white matter is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 47

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for white matter is
Answer
  • 80 ms
  • 90 ms
  • 100 ms
  • 140 ms

Question 48

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for renal cortex tissue is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 49

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for renal cortex tissue is
Answer
  • 45 ms
  • 50 ms
  • 60 ms
  • 70 ms

Question 50

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for muscle tissue is
Answer
  • 270 ms
  • 480 ms
  • 600 ms
  • 680 ms

Question 51

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for muscle tissue is
Answer
  • 40 ms
  • 70 ms
  • 80 ms
  • 100 ms

Question 52

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time for renal medulla tissue is
Answer
  • 520 ms
  • 600 ms
  • 680 ms
  • 800 ms

Question 53

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for renal medulla tissue is
Answer
  • 90 ms
  • 100 ms
  • 140 ms
  • 300 ms

Question 54

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time for blood is
Answer
  • 540 ms
  • 680 ms
  • 800 ms
  • 1000 ms

Question 55

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for blood is
Answer
  • 140 ms
  • 180 ms
  • 240 ms
  • 300 ms

Question 56

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time for CSF is
Answer
  • 800 ms
  • 1000 ms
  • 2000 ms
  • 2500 ms

Question 57

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for CSF is
Answer
  • 70 ms
  • 100 ms
  • 180 ms
  • 300 ms

Question 58

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for water is
Answer
  • 800 ms
  • 1000 ms
  • 2000 ms
  • 2500 ms

Question 59

Question
At a field strength of 1.0 tes1a, the approximate T2 relaxation time for water is
Answer
  • 800 ms
  • 1000 ms
  • 2000 ms
  • 2500ms

Question 60

Question
Figure 3-1 displays which type of relaxation curve?
Image:
e003dbbd-cb74-4853-8551-24f852d87aa5 (image/jpeg)
Answer
  • T1 Relaxation curve
  • T2 relaxation curve
  • Inversion recovery curve

Question 61

Question
Figure 3-2 displays which type of relaxation curve?
Image:
d3160a05-d248-4ed3-adfc-30b0adaead00 (image/jpeg)
Answer
  • TI relaxation curve
  • T2 relaxation curve
  • Inversion recovery curve

Question 62

Question
Figure 3-3 displays which type of relaxation curve?
Image:
3950097e-a467-472b-a3c9-94efaadabec5 (image/jpeg)
Answer
  • T1 relaxation curve
  • T2 relaxation curve
  • Inversion recovery curve

Question 63

Question
In Figure 3-4, at a TR of 200, which of the following tissues has the greatest signal intensity?
Image:
302d45b1-8f91-4832-92a3-9c0e1f67d556 (image/jpeg)
Answer
  • Tissue A
  • Tissue B
  • Tissue C

Question 64

Question
In figure 3-5, at a TE of 90, which of the following tissues has the greatest signal intensity?
Image:
7eabf63f-f9d5-4802-8253-38bdd594e5d4 (image/jpeg)
Answer
  • Tissue A
  • Tissue B
  • Tissue C

Question 65

Question
Figure 3-6 displays which type of relaxation curve?
Image:
740d2fac-545d-4e0d-bfce-58b09517ec3a (image/jpeg)
Answer
  • T1 relaxation curve
  • Inversion recovery curve
  • T2 relaxation curve
  • T2* relaxation curve
Show full summary Hide full summary

Want to create your own Quizzes for free with GoConqr? Learn more.

Similar

x-sectional anatomy
Korie Hi
American West - Key Dates
Rachel I-J
Revision Time Table
jessica3008
AS Chemistry - Enthalpy Changes
Sarah H-V
How to revise
KimberleyC
Urbanisation
Jess Molyneux
Of Mice and Men - Themes
ciera_99
English Language Techniques
lewis001
Molecular Biology
Fadila Farag
4. Without application in the world, the value of knowledge is greatly diminished. Consider the claim with respect to two areas of knowledge.
sofia.callamand
Drugs
Z S
Browse Library